Cita APA (7a ed.)

Oelsner, M., & Zerback, K. (1976). Wernigerode (o.A.).

Cita Chicago Style (17a ed.)

Oelsner, Manfred, y Kurt Zerback. Wernigerode. o.A. Wernigerode, 1976.

Cita MLA (8a ed.)

Oelsner, Manfred, y Kurt Zerback. Wernigerode. o.A. 1976.